شرکت در آزمون آنلاین ریاضی و آمار 2 - ریاضی و آمار 2 | آزمون شماره 6126

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$\sim(5\in N)\equiv (5\notin N)$

$\sim(A\subseteq B)\equiv B\subseteq A$

$\sim(3>0)\equiv (3\le 0)$

$\sim({{2}^{3}}\times {{2}^{5}}={{2}^{8}})\equiv ({{2}^{3}}\times {{2}^{5}}\ne {{2}^{8}})$

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$\begin{align}  & p\Rightarrow q \\  & \underline{q\,\,\,\,\,\,\,\,\,\,\,} \\  & \therefore \,p \\ \end{align}$

$\begin{align}  & p\Rightarrow \sim q \\  & \underline{p\,\,\,\,\,\,\,\,\,\,\,} \\  & \therefore \,q \\ \end{align}$

$\begin{align}  & \sim p\Rightarrow q \\  & \underline{p\,\,\,\,\,\,\,\,\,\,\,} \\  & \therefore \,q \\ \end{align}$

$\begin{align}  & p\Rightarrow q \\  & \underline{p\,\,\,\,\,\,\,\,\,\,\,} \\  & \therefore \,q \\ \end{align}$